Year	Number
1991	4484401
1992	4501618
1993	4346258
1994	4221894
1995	4150987
1996	4065883
1997	4011908
1998	4078351
1999	4159391
2000	4187699
2001	4152274
2002	4157742
2003	4227774
2004	4203079
2005	4272899
2006	4323154
2007	4306927
2008	4275905
2009	4265167
2010	4298779
2011	4310224
2012	4358321
2013	4393129
2014	4508047
2015	4587119
2016	4651601
2017	4688293
2018	4720978
2019	4748584
2020	4724407
2021	4920977
2022	4983931
2023	5005562